title: Ligand trapping in epithelial layers and cell cultures.
mesh_terms: D000818:Animals; D018929:Cell Culture Techniques; D004848:Epithelium / Q000502:physiology*; D006801:Humans; D008024:Ligands; D008433:Mathematics; D008962:Models, Theoretical; D011956:Receptors, Cell Surface / Q000502:physiology*
chemical_list: D008024:Ligands; D011956:Receptors, Cell Surface